Look at the guys.
If there peacocking around the gym staring others down and stacking up the weights= Douche bag!!

If they are focused on there reps and look like they watch others to learn. (You can tell them from the stare down guys)= Just uninformed youngsters.

If there the first I just laugh at them.
If its the second ill sometimes ask a question about the correct way to do the exercise. Like i will ask if they ever tried to do full ROM with elbows at about a 45 degree to the body. Then I will say that it feels like it really hits the chest harder then other flat bench movements.